高中英语 Unit 3 Science and nature教案 牛津译林版必修5.docx
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高中英语Unit3Scienceandnature教案牛津译林版必修5
2019-2020年高中英语Unit3Scienceandnature教案牛津译林版必修5
【美文阅读】
克隆动物早已不再“犹抱琵琶半遮面”。
为了保护克隆的福利,欧盟委员会这次走得更远……
ECapprovesthesaleofclonedyoungintothefoodchain
TheEuropeanmissionhaspublishedareportapprovingtherightofmemberstatestosellclonedanimals'youngandtheirproductsintothefoodchain.
Themissionsaidabanwouldnotbeproperintermsofprotectinganimalwelfareandpublichealth.Itaddedthataclonetraceability(可追踪)systemwouldbeneeded,becausefoodfromtheclones'young“cannotbedistinguishedfromfoodfromotheranimals”.
ThemovecouldcauseabigchangefromtheUKFoodStandardsAgency(FSA)whichatpresentforbidsthesaleoffoodfromtheclones'youngwithoutalicense—farmerStevenInneswasfoundtohavedonesolastyearandshouldbepunished.Underthemission'sproposal,Mr.Inneswouldnotbepunished.IndeedallfarmersintheUKwouldbeabletobuymaterialsfromclonesfromoutsidetheEuropeanUnionandselltheirproductsintothefoodchain.
GeorgeLyon,LiberalDemocratMEPforScotland,said,“It'sclearthattheFSAisoutoflinewiththerestofmemberstatesinhowitexplainsthepresentrulesand,ofcourse,underthesenewrules,itstillisoutofline.Sohopefullytheywilletotheirsensesandseetheydohavetomoveonthissubject.”
【诱思导学】
1.What'sthepassagemainlyabout?
________________________________________________________________________
2.Whyisabanonsellingclonedanimalsnotsuitableforthepresentsituation?
________________________________________________________________________
【答案】 1.ThesaleofclonedyounghasbeenmadelegalbyEC.或:
TheECapprovesthesaleofclonedyoungintothefoodchain.
2.Consideringclonedanimalshaveappeared,thereisapossibilitythatpeoplesellthemandgetfoodfromthem.Ifthereisaban,somepeoplemaysellthemillegallyandthenit'slikelytopreventanimalwelfareandpublichealthfromprotection.
PeriodⅠPreviewing
(教师用书独具)
●教学目标
本课时主要是通过学生对学案所给出的内容的学习,了解本课文所出现的词汇,初步了解课文以及相关的背景知识,对下一堂课中课文的全面理解起到一个铺垫作用。
●教学地位
本文是一篇科学报道,介绍两名读者的来信。
有关科学的文章需要学生了解其中的科学术语,因此在预习过程中先从整体上理解课文,再通过反复朗读以弄清科学术语的意思。
并通过对文章的预习了解当前克隆技术发展的成就及人们对此技术的不同态度。
(教师用书独具)
●新课导入建议
建议教师以课本第41页的图片导入新课,要求学生分组讨论四幅图片,并提出问题:
1.Whatdoyouknowaboutcloning?
2.Whatotherclonedanimalsdoyouknowabout?
3.Doyouthinkitwouldbeagoodideatoclonehumanssomeday?
Whyorwhynot?
●教学流程设计
⇒
⇒
⇓
⇐师生共同讨论并统一答案。
⇐
⇓
⇒
⇒
⇓
⇐
⇐
⇓
(见学生用书第47页)
Ⅰ.篇章结构
阅读P42的Reading部分,根据课文内容填空(每空不超过3个单词)
【答案】 1.cells 2.notlegal/illegal 3.research
4.succeeded/beensuccessful 5.Negative 6.save
7.birth 8.died 9.nature 10.wrong
Ⅱ.语篇理解
阅读P42的Reading部分,从每题所给的3个选项中选择最佳答案
1.Theannouncementofsuccessfulhumanembryocloninghascausedmuchdebatebecause________.
A.peoplestillhavenoclearideaabouttheresultsofhumancloning
B.valuabletissuesandorganscanbeusedtosavehumans
C.mankindisgoingtoproduceterriblemonsters
2.ThesuccessoftheclonedsheepDollyhasprovedthat________.
A.cloningwillcreatemorediseasesintheanimalworld
B.clonedanimalswilldieatamuchyoungeragethannormal
C.manhasbeenabletoproduceanexactcopyfromanadultcell
3.Accordingtothepassage,whatistherealintentionofIanWilmut'scloningresearch?
A.Tocreatecopiesofhumansintheend.
B.Todestroyhumanembryosintheend.
C.Tocuredeadlydiseaseseventually.
4.Howdoesawomanwhocannotgiveabirthbenefitfromcloning?
A.Shecanhaveababybyusinganotherwoman'segg.
B.Shecanhaveaclonedbaby.
C.Shecanadoptsomeoneelse'schildbycloning.
5.Whatcanweinferfromthewholepassage?
A.CloninganimalsisillegalinItaly.
B.Chinesescientistsaretryingtobenefitmankindbyusingcloningtechnology.
C.Chinesescientistswanttobethefirsttocloneahumanbaby.
【答案】 1-5 ACCBB
Ⅲ.课文缩写
用所给单词的适当形式填空,完成课文缩写
against;announce;anxiety;benefit;clone;consequence;disagree;effort;medical;tissue
Recentlyithasbeen1.________thatsomescientistshavemanagedto2.________thefirsthumanembryo.Peopleholddifferentviewsaboutthematter.Someinsistthattheworldwill3.________fromthetechnologybyusingcopied4.________tosavehumanlives.Others5.________withtheidea.Theyarestrongly6.________itforfearthatnaturewillgooutofitsusualwayasa7.________ofthetechnology.Despitethe8.________causedamongsomepeople,somescientistsarecarryingoutfurtherresearchesintothefield.Perhapsaclonedhumanbabyisontheway.Chinesescientistshavemadeprogressaswell.Buttheir
9.________arefocusedoncloninganimalsandclonedtissuesfor10.________treatment.Likeothertechnologies,clonehastwosides,too.Whocantellwhatitwillbringtotheworld?
【答案】 1.announced 2.clone 3.benefit 4.tissues
5.disagree 6.against 7.consequence 8.anxiety
9.efforts 10.medical
Ⅰ.词义搭配
1.adopt A.correctineverydetail,accurate
2.anxietyB.anideaoraprincipleconnectedwithsth.abstract
3.conceptC.activitiesthatareagainstthelaw
4.crimeD.allowedorrequiredbylaw
5.exactE.adoctorwhoisaspecialistingeneralmedicine
6.intentionF.touseoracceptamethodorasuggestion
7.legalG.whatyouplantodo;youraim
8.physicianH.thestateoffeelingnervousorworried
【答案】 1.F 2.H 3.B 4.C 5.A 6.G 7.D 8.E
Ⅱ.短语填空
ontheonehand,ontheotherhand;concentrateon;makesense;forsale;benefitfrom;succeedin;toywith;pushaheadwith;inagreementwith
1.Allofuswill________thenewscienceandtechnology.
2.Whateverdifficultywemayface,wewill________ourproject.
3.Whathesaidatthemeeting________.
4.Withtheloudnoiseoutside,Icanhardly________mystudy.
5.________theyaretiredofthelifethey'relivingnowfortheyarealwaystoobusy,but________theydon'twanttogiveuptheirjobsthatcanbringingreatine.
6.Jack________passingtheexam,whichmadehisparentsveryproud.
【答案】 1.benefitfrom 2.pushaheadwith 3.madesense 4.concentrateon 5.Ontheonehand,ontheotherhand 6.succeededin
Ⅲ.句型背诵
1.Whilecloninghumanembryosisnotlegalinmanycountries,somescientistsarealreadypushingaheadwithresearchinordertoproduceaclonedhumanbaby.
尽管克隆人类胚胎在很多国家还不合法,但一些科学家正在加紧研究,以制造出克隆的人类婴儿。
2.If_I_hadthechance,IwouldcloneherimmediatelysothatIcouldbewithheragain.如果有机会,我会立刻克隆她出来,这样我就能重新和她在一起了。
3.When_readingarticlesaboutscience,weofteneacrossdifficultscientificterms.当我们阅读有关科学的文章时,我们经常会遇到一些很难的术语。
PeriodⅡWeletotheunit&Reading
(教师用书独具)
●教学目标
(1)熟记学案中所列出的单词和短语。
(2)通过学案中所给出的重点单词和重点短语的学习,让学生能够正确理解和使用这些单词和短语,能够运用这些词语造句。
(3)通过这些词汇的理解能够更深层次的理解课文,并通过课文加深对这些词汇的理解,更加熟练的运用这些词汇。
(4)通过对本课文的理解,让学生学会赞成与反对的表达方法。
●教学地位
单词和短语是构成句子的核心,在语言学习中起至关重要的作用,所以理解和正确使用英语单词和短语是英语学习的重点所在。
(教师用书独具)
●新课导入建议
教师可以通过检查上堂课所布置的作业导入新课。
●教学流程设计
⇒
⇒
⇓
⇐
⇐
⇓
⇒
(见学生用书第49页)
1.ontheonehand...ontheotherhand...一方面……另一方面……
Ontheonehand,somescientistspointoutthatifyoucloneanembryo...Ontheotherhandmanypeople,includingsomescientists...(P42)
一方面,一些科学家指出,如果克隆人类胚胎……另一方面,包括一些科学家在内的很多人……
Iwanttogototheparty,butontheotherhandIoughttobestudying.我想去参加聚会,但从另一方面来说,我应该留下来学习。
ontheonehand...ontheotherhand.../
foronething...foranother...
ontheone
hand...on
theotherhand...
意为“一方面……另一方面……”,常用来表达不同的两个方面。
foronething...
foranother...
意为“首先……再者……;一方面……另一方面……”,陈述的两个方面的情况常常一致。
Ontheonehand,rapiddevelopmentoftheeconomywillimprovethelivingconditionsofthepeople.Ontheotherhand,itwillspeedupenvironmentaldestruction.
一方面,快速发展的经济将会改善人民的生活条件。
另一方面,它将加快对环境的破坏。
Theyalllikeher.Foronething,sheteacheswell;foranother,sheiskindhearted.
他们都喜欢她,一则她教得好,再则她心地善良。
【教师备课资源】
hand的相关短语
givesb.ahand=lend(sb.)ahand=helpsb.
帮某人一个忙
dosth.byhand手工做某物
handinsth.上交
handout分发
handoversth.tosb.移交
handdown传下去
athand在手边;在附近
inhand手头现有的;正在进行的;在处理中
handinhand手拉手
Handsoff!
请勿动手!
不许干涉!
Handsup!
举起手来!
用ontheonehand...ontheotherhand,foronething...foranother...完成句子
①一方面我必须工作;另一方面我有许多来宾要照看。
________________Ihavetowork;______________Ihavemanyvisitorstocarefor.
②首先我们没有时间,其次我们没有足够的钱。
______________thereisn'ttime;____________wehaven'tenoughmoney.
【答案】 ①Ontheonehand;ontheotherhand
②Foronething;foranother
单项填空
③OntheonehandIwanttosellthehouse,but______Ican'tbearthethoughtofmoving.
A.onthecontrary B.forexample
C.ingeneralD.ontheotherhand
【解析】 考查固定短语的含义。
句意:
一方面我想把房子卖掉,但另一方面,我又不愿意搬家。
A项意为“恰恰相反”;B项意为“例如”;C项意为“大致说来”;D项意为“另一方面”,根据句意选D。
【答案】 ③D
2.pointout指出
Ontheonehand,somescientistpointoutthatifyoucloneanembryo,youcanproducevaluablehumantissues...(P42)一方面,一些科学家指出,如果克隆人类胚胎,你就可以制造出宝贵的人体组织了……
Therearesomemistakesinyourpronunciation.Wouldyoumindmypointingthemout?
你的发音有些错误,我给你指出来你介意吗?
Hepointedoutthatitwasveryimportanttomasteraforeignlanguage.
他指出,掌握一门外语是很重要的。
pointsth.out(tosb.)(向某人)指出某事
pointoutthat...指出;告知……
pointto指向
pointat指着;瞄准
pointsth.at...把某物指向……
Whenthemistakewaspointedouttohim,hehastenedtocorrectit.当有人向他指出错误时,他赶紧纠正。
Thehandsoftheclockpointedtohalfpasteight.Itwastimeweputourchildrentobed.
钟的指针指在八点半上,我们该让孩子们上床睡觉了。
It'srudetopointyourfingersatpeople.
用手指指人是很失礼的。
【教师备课资源】
inpointoffact事实上;实际上
pointofview态度;观点
onthepointofdoing即将做
atthepointof在……时刻
tothepoint中肯;扼要;切中要害
offthepoint离题
makeone'spoint证明自己的主张正确
aturningpoint转折点
Thereisnopoint(in)doingsth.
做某事没有意义;做某事没有必要。
whenitestothepoint
一旦紧急;到紧要关头
用适当的介/副词填空
①Hepointedthetelescope________adeeronthehillside.
②IfImakeanymistakes,pleasepointthem________.
③Ipointed________myhead,saying“Inhere.”
【答案】 ①at ②out ③to
单项填空
④Infact,Ishould_______